232222212231 has 4 divisors (see below), whose sum is σ = 309629616312. Its totient is φ = 154814808152.

The previous prime is 232222212203. The next prime is 232222212283. The reversal of 232222212231 is 132212222232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232222212231 - 2¹⁵ = 232222179463 is a prime.

It is a super-2 number, since 2×232222212231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232222212631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38703702036 + ... + 38703702041.

It is an arithmetic number, because the mean of its divisors is an integer number (77407404078).

Almost surely, 2^232222212231 is an apocalyptic number.

232222212231 is a deficient number, since it is larger than the sum of its proper divisors (77407404081).

232222212231 is an equidigital number, since it uses as much as digits as its factorization.

232222212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77407404080.

The product of its digits is 2304, while the sum is 24.

Adding to 232222212231 its reverse (132212222232), we get a palindrome (364434434463).

The spelling of 232222212231 in words is "two hundred thirty-two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred thirty-one".